Richard Lintern Dr Thomas Chamberlain Actor Emilia Fox Dr Nikki Alexander Actor David Caves Jack Hodgson Actor Liz Carr Clarissa Mullery Actor Julian Rhind-Tutt David Cannon Actor Alex Macqueen DCI Guy Bernhardt Actor Lindsey Campbell Suzie Tudor Actor Maxi Tilyard Greg Tudor Actor Kelly Hunter Gwen Blair Actor Emma Fielding Sally Vaughan Actor David Bamber Brain Hawke Actor Adam Sina Livtar Singh Actor Ed Whitmore Writer Kiaran Murray-Smith Producer Charles Palmer Director Richard Stokes Executive Producer Hilary Salmon Executive Producer